User Manual of Thermal Network Positioning system
© Hikvision
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7.3.5
Configuring Privacy Mask
Purpose:
Privacy mask enables you to cover certain areas on the live video to prevent certain spots
in the surveillance area from being live viewed and recorded.
Steps:
1.
Enter the Privacy Mask settings interface:
Configuration > PTZ > Privacy Mask
Figure 7-31
Draw the Privacy Mask
2.
Click the PTZ control buttons to find the area you want to set the privacy mask.
3.
Click
; click and drag the mouse in the live video window to draw the area.
4.
You can drag the corners of the red rectangle area to draw a polygon mask.
5.
Click
to finish drawing or click
to clear all of the areas you set
without saving them.
6.
Click
to save the privacy mask, and it will be listed in the Privacy Mask List area;
set the value of Active Zoom Ratio on your demand, and then the mask will only
appear when the zoom ratio is greater than the predefined value.